A common question that we are asked is how to connect a voltmeter to a battery.
Voltmeters are used as an indication of charge or capacity of charge in the battery.
Connecting the voltmeter is simple. The voltmeter will be marked with a ‘+’ and a
‘-’ symbol. These are simply connected to the battery in the same order ‘+’ to ‘+’
and ‘-’ to ‘-’. This can also be done at the fuse box or other source of the battery
power. In some cases it may be easy to use the vehicle body as the ‘-’ and run only
one wire ‘+’ to the battery.
Note: Always fuse any ‘+’ cable that is longer than 60cm.
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